Airtight

Airtight (1999) is a action, drama, science fiction directed by Ian Barry rated 4.1/10.

Set in the nuclear war-torn world of 2040, a congested city is shrouded in a deadly smog, where breathable air is obtainable only through labyrinth shafts that transport the precious gas from high in the atmosphere. These passages are kept functioning by an elite 'Air Force'. The team risk annihilation to expose a deadly blackmail scheme.